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Subsurface Mapping GPR

GM8000

Modular multichannel GPR mobile mapping system for the subsurface

Interchangeable GPR arrays with high speed dynamic range

The highest density of information, accurately mapped in 3D

Virtually limitless data management and computational power

Applications:

Utility mapping / Subsurface utility engineering (SUE) / Surveying & Reality Capture / Road inspection / Bridge inspection / Airfield investigations / Structural investigations / Geophysical investigations / Archaeology / Forensics & UXO / Precision Agriculture

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High speed subsurface mapping. 100% modular. The most efficient workflow. Powerful data insights.

Versatility

Interchangeable GPR arrays for near surface and deep detection to scale your solution easily and approach new applications.

Accuracy

The highest density of information in all three dimensions, accurately mapped even in challenging conditions.

Efficiency

Easy to set up, operate, and get insights from. Data collection at high speed and direct path into the office.

Instrument

Tech Specs

Radar technology

Stepped-frequency GPR

Modulated frequency range

500 – 3000 MHz ² | 30 – 750 MHz ³

Number of channels

71 (VV) + 31 (HH) ² | 23 (VV) ³

Channel spacing

2.5 cm (VV), 5.5 cm (HH) ² | 7.5 cm ³

Scan width

1.75 m ² | 1.67 m ³

Scan rate

27500 scans/s ² | 22000 scans/s ³

Time window

45 ns ² | 130 ns ³

Acquisition speed

Up to 80 Km/h ² ⁴ | Up to 180 Km/h ³ ⁵

Spatial interval

Up to 100 scans/m

Dimensions

Total length: 923 mm | Total width: 1882 mm

Weight

87 - 93 Kg ¹⁰

Odometry

Doppler radar or wheel speed sensor

Ingress protection (IP) / sealing

IP65

Towing system

Rear hitch, 50 mm ball

Shock absorption system

Hydraulic, optional anti-bump wheels

Power supply

Power-over-Ethernet / External 12V

Operating temperature

-10° to 50°C | 14° to 122° F

Operating humidity

<95% RH, non-condensing

Connectivity

USB-C, USB-A, 2x Ethernet + Power, 2x Lemo ⁶, 2x ODU Antenna connector, Universal I/O (UART, CAN-Bus)

GNSS satellites

Multiband GPS + Glonass + Galileo + Beidou

GNSS real-time corrections

NTRIP RTK compatible ⁷

RTK accuracy

Typ. 1 - 5 cm | 0.5 - 2 in ⁸

RTK outage accuracy

<0.1% drift/distance ⁹

Sensor fusion

GNSS + IMU + Camera imaging + Wheel speed

Feature tracking

Yes

_{1. Running an up-to-date iOS version; recommended models: MacBook Pro® 2022 model or superior
2. In combination with 2x GX1 array modules
3. In combination with 2x GX2 array modules
4. At 100mm spacing
5. At 50mm spacing
6. For terrestrial positioning systems, an intermediate serial adapter to DB9 might be needed to output Pseudo NMEA GGA positions
7. Needs an active Internet connection on the iPad; NTRIP corrections in RTCM3 format
8. The achieved accuracy is subject to atmospheric conditions, satellite geometry, observation time, etc.
9. By bundle adjustment between fixed RTK positions. Estimated max. error: 0.3 m in floating RTK sections./
10. Depending on configuration and accessories, cables included}

PDF Version

GM8000 brochure

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